A checklist and key to the snakes of the genus Geophis (Squamata: Colubridae: Dipsadinae), with commentary on distribution and conservation Author Wilson, Larry David Author Townsend, Josiah H. text Zootaxa 2007 1395 1 31 journal article 10.5281/zenodo.273681 1414766b-1cb5-4fdb-be42-306fac45815d 1175­5326 273681 20. Geophis immaculatus Downs Geophis immaculatus Downs 1967 : 90 . Holotype . University of Michigan Museum of Zoology ( UMMZ ) 107297, adult female, collected by L.C. Stuart. Type­locality. Finca Lorena, ca. 1700 m elevation, Quetzaltenango, Guatemala . Distribution. Known only from the vicinity of the type locality, and from Chiapas, Mexico . Species group. dubius ( Downs 1967 ) . Systematic references. Downs (1967) . Remarks. This species was recently reported from a cloud forest in central Chiapas, Mexico ( Espinosa et al. 1999 ).